A simple mechanism for controlling vortex breakdown in a closed flow

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Cabeza, C.; Sarasua, Gustavo; Marti, Arturo C.; Bove, Italo;
(2005)
  • Subject: Physics - Fluid Dynamics

This work is focused to study the development and control of the laminar vortex breakdown of a flow enclosed in a cylinder. We show that vortex breakdown can be controlled by the introduction of a small fixed rod in the axis of the cylinder. Our method to control the on... View more
  • References (14)
    14 references, page 1 of 2

    1. T. von Karman, “Laminare und turbulente Reibung,” Z. Angew. Math. Mech. 1, 233 (1921).

    2. H.U. Vogel, “Experimentelle Ergebnisse ber die laminare Strmung in einem zylindrischen Gehuse mit darin rotierender Scheibe,” MPI Bericht 6, 1968.

    3. M. P. Escudier, “Observations of the flow produced in a cylindrical container by a rotating endwall,” Exp. Fluids 2, 189 (1984).

    4. S. Leibovich, “The structure of vortex breakdown” Annu. Rev. Fluid Mech. 10, 221 (1978).

    5. S. Leibovich, “Vortex stability and breakdown: Survey and extension,” AIAA J. 22, 1192 (1984).

    6. J. M. Lopez, “Axisymmetric vortex breakdown. Part 1. Confined swirling flow,” J. Fluid Mech. 221, 533 (1990).

    7. J.M. L o´pez, “Unsteady swirling flow in an enclosed cylinder with reflectional symmetry,” Phys. Fluids 7, 2700 (1995).

    8. G. L. Brown and J. M. Lopez, “Axisymmetric vortex breakdown. Part 2. Physical mechanisms,” J. Fluid Mech. 221, 553 (1990).

    9. J.M. L o´pez, “Flow between a stationary and a rotating disk shrouded by a co-rotating cylinder,” Phys. Fluids 8, 2605 (1996).

    10. Mark C. Thompson and K. Hourigan, “The sensitivity of steady vortex breakdown bubbles in confined cylinder flows rotating lid misalignment“, J. Fluid Mech. 496, 129 (2003).

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